PSC C223 - ARCHITECT AND ENGINEERING- GENERAL: MECHANICAL SYSTEMS

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Classification & Hierarchy for PSC C223

The classification hierarchy shows how this PSC code fits within the broader federal procurement structure.

Level 1 Spend Category:
4 Facilities & Construction
Level 2 Spend Category:
4.2 Construction Related Services
Parent PSC Code:
C2 ARCH-ENG SVCS - GENERAL
Active Since:
October 1, 2011
Last Updated:
April 30, 2024

Overview for PSC C223

PSC Code C223 covers architect and engineering services specifically focused on mechanical systems within the general category. This includes the design, analysis, and consultation related to heating, ventilation, air conditioning (HVAC), plumbing, fire protection, and other mechanical infrastructure elements in buildings and facilities. Government agencies utilize this PSC to procure professional services for new construction, renovation, and maintenance projects that require specialized mechanical engineering expertise. These services ensure that mechanical systems are designed for efficiency, safety, code compliance, and sustainability within federal facilities. Agencies rely on C223 to obtain expert mechanical system planning and engineering support essential for operational readiness and infrastructure integrity.

Typical Buyers & Agencies for PSC C223

Federal agencies with significant infrastructure portfolios, such as the Department of Defense, General Services Administration, Veterans Affairs, and the Department of Energy, commonly purchase services under PSC C223. These agencies require precise mechanical system engineering to support mission-critical facilities including offices, hospitals, laboratories, and military installations. The need to maintain, upgrade, or develop new mechanical systems drives contracting activity. Additionally, agencies focused on public buildings and environmental compliance utilize these services to ensure systems meet regulatory standards and operational demands.

Common Contract Types for PSC C223

Contracts awarded under PSC C223 typically include firm-fixed-price, cost-reimbursement, and indefinite-delivery/indefinite-quantity (IDIQ) types depending on project complexity and scope. Procurement methods range from competitive bidding to negotiated contracts, often leveraging task orders for ongoing engineering support. These contracts cover services from initial design and feasibility studies to detailed engineering and construction support. Agencies may also use simplified acquisition procedures for smaller-scale projects or to augment existing contracts with specialized mechanical engineering expertise.

Plain-Language Breakdown for PSC C223

  • Focuses on mechanical system engineering including HVAC, plumbing, and fire protection.
  • Used primarily by agencies managing federal buildings, military facilities, and infrastructure.
  • Contracts vary from fixed-price to IDIQ task orders depending on project needs.
  • Supports design, analysis, consultation, and system optimization for mechanical infrastructure.
  • Commonly linked to NAICS codes 541330, 541310, and 541350 for engineering and architectural services.
  • Essential for ensuring compliance with codes, efficiency standards, and sustainability goals.

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